DeBeque Formation

Last updated
DeBeque Formation
Stratigraphic range: Late Paleocene-Early Eocene (Clarkforkian-Wasatchian)
~56–50  Ma
Coryphodon lobatus.jpg
Fossil from the DeBeque Formation
Type Formation
Sub-unitsAtwell Gulch Member
Lithology
Primary Claystone
Location
Coordinates 40°00′N107°54′W / 40.0°N 107.9°W / 40.0; -107.9
Approximate paleocoordinates 44°48′N91°48′W / 44.8°N 91.8°W / 44.8; -91.8
Region Colorado
Country United States
Usa edcp relief location map.png
Orange pog.svg
DeBeque Formation (the United States)
USA Colorado relief location map.svg
Orange pog.svg
DeBeque Formation (Colorado)

The DeBeque Formation is a geologic formation in Colorado's Piceance Basin, [1] preserving fossils which date back to the Late Paleocene to Early Eocene period (Clarkforkian to Wasatchian in the NALMA classification. [2] [3] Examples of these fossils are held in the University of Colorado Museum of Natural History. [4]

Contents

Wasatchian correlations

Wasatchian correlations in North America
Formation Wasatch DeBeque Claron Indian Meadows Pass Peak Tatman Willwood Golden Valley Coldwater Allenby Kamloops Ootsa Lake Margaret Nanjemoy Hatchetigbee Tetas de Cabra Hannold Hill Coalmont Cuchara Galisteo San Jose Ypresian (IUCS) • Itaboraian (SALMA)
Bumbanian (ALMA) • Mangaorapan (NZ)
Basin Powder River
Uinta
Piceance
Colorado Plateau
Wind River
Green River
Bighorn
Piceance




Colorado Plateau





Wind River





Green River






Bighorn
Williston Okanagan Princeton Buck Creek Nechako Sverdrup Potomac GoM Laguna Salada Rio Grande North Park Raton Galisteo San Juan
North America laea relief location map with borders.jpg
Pink ff0080 pog.svg
Pink ff0080 pog.svg
Pink ff0080 pog.svg
Pink ff0080 pog.svg
Dark Green 004040 pog.svg
Dark Green 004040 pog.svg
Dark Green 004040 pog.svg
Dark Green 004040 pog.svg
Dark Green 004040 pog.svg
Dark Green 004040 pog.svg
Dark Green 004040 pog.svg
Orange pog.svg
Orange pog.svg
Orange pog.svg
Orange pog.svg
Orange pog.svg
Orange pog.svg
Orange pog.svg
Orange pog.svg
Orange pog.svg
Pink ff0080 pog.svg
DeBeque Formation (North America)
CountryFlag of the United States (23px).png  United States Flag of Canada (Pantone).svg  Canada Flag of the United States (23px).png  United States Flag of Mexico.svg  Mexico Flag of the United States (23px).png  United States
Copelemur Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Coryphodon Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Diacodexis Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Homogalax Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Oxyaena Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Paramys Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Primates Brown pog.svg Brown pog.svg Brown pog.svg Brown pog.svg Brown pog.svg Brown pog.svg Brown pog.svg
Birds White pog.svg White pog.svg White pog.svg White pog.svg White pog.svg
Reptiles SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg
Fish Blue pog.svg Blue pog.svg Blue pog.svg Blue pog.svg Blue pog.svg Blue pog.svg Blue pog.svg
Insects Steel pog.svg Steel pog.svg Steel pog.svg Steel pog.svg Steel pog.svg Steel pog.svg
Flora Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg
Environments Alluvial-fluvio-lacustrineFluvialFluvialFluvio-lacustrineFluvialLacustrineFluvio-lacustrineDeltaic-paludalShallow marineFluvialShallow marineFluvialFluvial
Pink ff0080 pog.svg Wasatchian volcanoclastics

Orange pog.svg Wasatchian fauna

Dark Green 004040 pog.svg Wasatchian flora
VolcanicYesNoYesNoYesNoYesNoYesNo

See also

References

  1. Bown & Kihm, 1981
  2. DeBeque Formation at Fossilworks.org
  3. Hirsch et al., 1997
  4. "Collections". Museum of Natural History. 24 May 2016. Retrieved 10 November 2019.

Bibliography

Further reading